Charging & Audio: 2 in1 design, combine Micro USB to 3.5 mm aux cable and USB A charging cable together, you can listen music and charge with only one cable.. This audio charging cable is usually used for Bluetooth speaker with Micro USB Port. So you need check your device before purchase it..
Plug & Play: Micro USB male is connect Bluetooth speaker, 3.5 mm Audio Plug is connect phone, laptop, MP3, MP4 etc. Not support car AUX input..
Plug & Play: The USB-A male port could connect plug adapter and charge for Bluetooth speaker.
(NOTE: Not support phone data & photo transmission and audio output.
Note: please be careful view our picture description and right distinguish Micro USB and Mini USB. This is Micro USB male.